Service bulletin T2037B
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10154966 |
| Published by NHTSA | 2019-03-25 |
| Manufacturer's number | T2037B |
| Manufacturer's date | 2019-02-20 |
| NHTSA component | ENGINE AND ENGINE COOLING |
NHTSA's summary
This field action authorizes certified repair locations to upfit certain ISX15 CM2350 X101 engines rated at 450hp or less with an improved Selective Catalytic Reduction (SCR) Catalyst, if the engine meets certain criteria including: an active count of fault code 3151 (SCR Catalyst System Missing) or fault code 3582 (SCR Conversion Efficiency), or more than one inactive count within the last 250 engine operating hours, and must be less than 435K miles. This is an update to a previously submitted communication.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine
| CUMMINS ISX15 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.